4.2L V6 Swap "F100 Ranger or Darby Ranger" - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-08-2014
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4.2L V6 Swap "F100 Ranger or Darby Ranger"

Hi guys,

I'm asking for some help with information for a project. I'm looking at buying a house and am going to try to trade my Ranger in for an F250 as part of the deal. Do I think its going to happen (house or truck) - probably not.

So that leaves me with wanting to replace the engine in my 02 XCab. I've been replacing stuff on it and have gotten tired of fixing it. I need/want to do something different: I want to put the 4.2L v6 out of an F150 in my 2002 Ranger.

I blew a head gasket on my Duratec 23NS after replacing the water pump and the vacuum plug on the front of the intake manifold. The synchros in the tranny are worn out and I'm tired of dealing with this motor/tranny.

If you guys will help me with information - I'll put up photos and details as I go along so if you want to do likewise you'll be able to use my template.

What I need from you guys is:
  • details on the wiring harness for the engine from the F150
  • stock transmissions that go with it.
  • EVTM files/photos for both F150 and Ranger
  • Information on which E150 vans and F150 years are best to look for.

What I don't want:
  • Just put in a 3.0 or a 4.0 SOHC or 4.0 OHV remarks
  • "Why do that?" remarks
  • "Don't waste your time" remarks
I want the challenge. Just making negative remarks will get you a "F*ck off"
95% of my driving is under 3k RPM so why would I use a SOHC?
The 4.2 is newer than the 4.0 - more mechanically efficient.
The 4.2 makes more power than any of the other three.
Why do it? Because anything can be done.
An Xcab ranger is 800 lbs lighter than a single cab F150 and the truck will carry a lot more when I swap the axle to a 31 spline 8.8 from an Explorer or Sport Trac.
With that engine and the power it produces I'll probably have to put a 2" body lift on the truck to clear the motor under the hood and then use F150 sized tires (wider than P-rated ranger tires) to help reduce wheel spin.

Also, haven't made up my mind on what to call it so cast your vote:
  • Ranger F100
  • Darby Ranger

Last edited by Tanker3278; 03-08-2014 at 01:40 PM.
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Old 03-08-2014
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TOPIC #1 - I need info on the engine wiring diagrams/schematics so I can figure out if I can re-pin some of the plugs and use the ECU from the 4.2 with the chassis wiring harness.

If this is not possible, then I'll have to take the whole vehicle wiring harness out of an F150 and graft it into my Ranger - make the truck think its an F150. But I need to see all the stuff to figure it out first.

Can you guys get me this information/files please? I'm willing to do the knuckle busting and put in the sweat and elbow grease - just need some people backing me up with information.
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Old 03-09-2014
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I don't have any of what your looking for and since I don't wanna hear f*ck off

I'll say good luck in your search.
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Old 03-09-2014
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Thanks!
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Old 03-09-2014
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Ok. I've gotten copies of the PCM pins with signals and voltages for the 2002 Ranger (2.3L & 3.0) and 2002 F150 (4.2). (One of the fringe benefits of AKO: "My Library" has an automotive section with online manuals from Chilton - nice to know there are a bunch of patriots working at Chilton)

The 2.3L has a 63-pin plug and both the 3.0 and 4.2 have 104-pin plug. So - that means doing a direct rewire for my truck (2.3L) isn't likely. However, this also means that I'll be able to keep driving my truck while doing this because the simple thing to do is go pull a wiring harness off a 3.0 in the junkyard and modify it before attempting to put it in. I will post a comparison of the 3.0 and 4.2 pinouts when I get done making a spreadsheet of it.
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Old 03-14-2014
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Well, here's what I have so far with the spreadsheet.
81 of 104 pins are the same: 77% compatibility. Tells me Ford had a baseline design and added in the other stuff as needed for the models. Can someone PM me and tell me how to put up the spreadsheet so everyone can see it? First part is done - side-by-side comparison. Now working on second part, figuring out what needs to be modified. Will need help with this.
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Old 03-16-2014
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Haven't been able to get anyone to help me with getting the spreadsheet put up, so here's the list of differences in text format.

2002 Ranger 3.0 v6 Vulcan
Pin# / Color / Description (104 Pin) / @Hot Idle
2 / PK/LG / MIL (lamp) Control / MIL Off: 12v, On: 1v
8 / --- / Not Used / ---
12 / YL/WT / Fuel Level Indicator Signal / 1.7v (1/2 full)
17('02) / GY/OR / Passive Antitheft RX Signal / Digital Signals
18('02) / WT/LG / Passive Antitheft TX Signal / Digital Signals Is it relevant?
28 / BR/OR / Shift Solenoid 'D' Control / 1v, 55mph: 12v
30('02) / DB/LG / Antitheft Indicator Control / Indicator Off: 12v, On: 1v
38 / LG/RD / ECT Sensor Signal / 0.5-0.6v
42 / --- / Not Used / ---
47 / --- / Not Used / ---
48 / TN/YL / Clean Tachometer Output / 25-38 Hz
53 / PK/BK / Shift Solenoid 3/C Control / 1v, 55 mph: 12v
57 / --- / Not Used / ---
58 / GY/BK / VSS (+) Signal / 0 Hz, 55 mph: 125 Hz
61 / --- / Not Used / ---
63 / --- / Not Used / ---
66 / --- / Not Used / ---
68 / --- / Not Used / ---
76 / BK/WT / Power Ground / ---
77 / --- / Not Used / ---
84 / DG/WT / TSS Sensor Signal / 120 Hz, 55 mph: 260 Hz
86 / BK/YL / A/C Switch Signal / A/C On: 12v, Off: 0v
96 / --- / Not Used / ---

2002 F150 4.2 v6 Essex
Pin# / Color Description (104 Pin) / @Hot Idle
2 / --- / Not Used / ---
8 / WT/OR / Intake Manifold Runner No. 1 / 55 mph: 5v or 2.5v
12 / --- / Not Used / --- / Possibles: #40 - Fuel Pump Monitor or #80 - Fuel Pump Control
17 / --- / Not Used / --- / No similarities. Is it under another name?
18 / --- / Not Used / --- / No similarities. Is it under another name?
28 / --- / Not Used / ---
30 / --- / Not Used / --- / No similarities. Is it under another name?
38 / --- / Not Used / ---
42 / BR / Intake Manifold Runner / 12v, 55 mph: 12v
47 / BR/PK / VR Solenoid Control / 0%, 55 mph: 45%
48 / --- / Not Used / ---
53 / --- / Not Used / --- / Possible 53-63 compatibility?
57 / YL/RD / Knock Sensor 1 Signal / 0v
58 / PK / Transfer Case Speed Sensor / 0 Hz, 55 mph: 471 Hz / A bit of variance here. Need clarification.
61 / VT/LG / HO2S-22 (B2 S2) Signal / 0.1-1.1v
63 / LB/YL / A/T: Digital TR3 Sensor / 0v, 55 mph: 11.5v / Possible 53-63 compatibility?
66 / YL/LG / CHT Sensor Signal / 0.6v (194F)
68 / GY/BK / VSS (+) Signal / 0 Hz, 55 mph: 125 Hz
76 / --- / Not Used / --- / SWAP 76 & 77, BECOMES COMPATIBLE
77 / BK/WT / Power Ground / ---
84 / DB/YL / OSS Sensor Signal / 0 Hz, 55 mph: 250 Hz / Transmission Speed Sensor vs Output Shaft Speed Sensor. Nearly identical Signals. Probably not an issue. Should ask anyway.
86 / --- / Not Used / ---
96 / TN/YL / HO2S-22 (B2 S2) Heater / 1v (Heater Off: 12v)

Last edited by Tanker3278; 03-16-2014 at 01:43 PM.
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Old 03-16-2014
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As you can see there are only 2 pins that have overlapping purposes: 58 & 84.
The rest are all port-used-in-one-but-not-the-other situations.

The issue with 58 & 84 is they have similar (but differing) uses.
58 - VSS vs Transfer Case speed
84 - TSS vs OSS

I intend on mine being a 2wd highway truck that occasionally pulls some stuff. What can you guys tell me about the differences in these two pins?

Who is the moderator? I don't see a listing. I'd like to ask about putting up the spreadsheet, visuals help a lot. I don't see a page on the site that has moderator info.

Last edited by Tanker3278; 03-16-2014 at 02:09 PM.
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Old 03-17-2014
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58 should be an easy one VSS was in reared on ranger so just tap into that for that pin and 84 should be the same but i ran into a similar issue on my 5 speed swap the autos have both a TSS called intermediate shaft sensor on the ranger and OSS but i think they only control speed so as long as it gets a signal i just adjusted the PCM gear ratio and rev. per mile until the speedo was accurate you should be able to do the same.
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Old 03-23-2014
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Quote:
Originally Posted by pearlkid9988 View Post
58 should be an easy one. VSS was in reared on ranger so just tap into that for that pin and 84 should be the same but I ran into a similar issue on my 5 speed swap. The autos have both a TSS called intermediate shaft sensor on the ranger and OSS but i think they only control speed so as long as it gets a signal. I just adjusted the PCM gear ratio and rev. per mile until the speedo was accurate. You should be able to do the same.
I'm thinking "reared" means rear end? Guessing this will be mounted at one of the axle ends. I'll crawl up under one in a junkyard and snap a picture or two to go with this part.

Sounds to me like you know your way around PCM programming. I might have to ask you a question or few later when I get to that point.

Been getting jerked around at work for the last week. And now I have to get ready for a 3 day FTX. Don't know how much time I'm gonna have in the next few weeks. Project is not dead - just gonna have to slow down for a little while.
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Old 03-24-2014
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Yes rearend my computer autocorrected it sorry about that and it should be on top of the pumpkin or at least mine is it measures ring gear rotation speed. And I've tweaked mine a good bit after the swap since i kept the auto PCM with my 5 speed. Mine is only reading speed input from the OSS on the trans tails haft so as long as you have one good reading it can be tweaked to work and the TSS on the rearend should be used for ABS functions.
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